Question

What is the measure of angle 4?

Answer 1

<3 = 128°

<4 = 52°

Explanation:

The interior angles of a triangle are equal to 180°.

1. 24° + 28° + <3 = 180°

2. <3 = 128°

Next, <3 and <4 are both supplementary meaning they add up to 180°.

1. 128 + <4 = 180

2. <4 = 52°